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8130853 is a prime number
BaseRepresentation
bin11111000001000100100101
3120022002102201
4133001010211
54040141403
6450134501
7126053053
oct37010445
916262381
108130853
114653915
122881431
1318b8b73
1411191d3
15aa921d
hex7c1125

8130853 has 2 divisors, whose sum is σ = 8130854. Its totient is φ = 8130852.

The previous prime is 8130851. The next prime is 8130869. The reversal of 8130853 is 3580318.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7935489 + 195364 = 2817^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 8130853 - 21 = 8130851 is a prime.

It is a super-2 number, since 2×81308532 = 132221541015218, which contains 22 as substring.

Together with 8130851, it forms a pair of twin primes.

It is an Ulam number.

8130853 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8130851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4065426 + 4065427.

It is an arithmetic number, because the mean of its divisors is an integer number (4065427).

Almost surely, 28130853 is an apocalyptic number.

It is an amenable number.

8130853 is a deficient number, since it is larger than the sum of its proper divisors (1).

8130853 is an equidigital number, since it uses as much as digits as its factorization.

8130853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 8130853 is about 2851.4650620339. The cubic root of 8130853 is about 201.0845497946.

The spelling of 8130853 in words is "eight million, one hundred thirty thousand, eight hundred fifty-three".